| Property | Value |
| Name | Not Disclosed |
| Organization | Not Disclosed |
| https://whoiscontact.ascio.com?domainname=portbase.com | |
| Address | Not Disclosed |
| Zip Code | Not Disclosed |
| City | Not Disclosed |
| Country | NL |
| Phone | Not Disclosed |
| Fax | Not Disclosed |
| NameServer | NS2.INTERMAX.NL |
| Created | 2000-03-15 13:40:16 |
| Changed | 2020-03-16 00:35:29 |
| Registrar | Ascio Technologies, |
| Date | IP Address |
| 2019-05-23 | 52.84.134.76 (ClassC) |
| 2019-05-23 | 52.84.134.175 (ClassC) |
| 2019-05-23 | 52.84.134.238 (ClassC) |
| 2020-04-24 | 13.249.141.67 (ClassC) |
| 2020-04-24 | 13.249.141.69 (ClassC) |
| 2020-04-24 | 13.249.141.80 (ClassC) |
| 2020-04-24 | 13.249.141.97 (ClassC) |
| 2022-02-24 | 52.84.121.12 (ClassC) |
| 2022-11-18 | 13.32.230.61 (ClassC) |
| 2022-11-29 | 18.64.155.7 (ClassC) |
| 2025-01-19 | 18.239.225.53 (ClassC) |
| 2025-01-25 | 99.86.38.48 (ClassC) |
| 2025-05-04 | 3.163.24.36 (ClassC) |
| 2025-07-18 | 3.163.24.84 (ClassC) |
| 2025-08-18 | 3.163.24.77 (ClassC) |
| 2025-12-04 | 3.163.24.17 (ClassC) |